Structure.homework__4-answer

Structure.homework__4-answer - radiation, ( / ) Si =65.32,...

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MTLE-2100 Structure of Engineering Materials, Homework #4 –Answer 1. Plot the mass absorption coefficient, μ / ρ , vs. wavelength, λ , of x-ray for Ni using the data shown in Appendices 7 and 8 of Cullity. 2. Find the minimum voltage necessary to generate the K α radiation of Mo. From Appendix 7, K edge of Mo is 0.61978 Å which corresponds to V= 12400/0.61978 =20,007V. 3. Calculate the transmission of Cu K α radiation through 0.1 mm silica glass. The density of silica glass is 2.3 g/cm 3 . From Appendix 8, at Cu K
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Unformatted text preview: radiation, ( / ) Si =65.32, ( / ) O = 11.03. Silica glass is SiO 2 . Atomic weights, Si:28.1, O:16. Weight fraction of Si: 28.1/(28.1+2x16) =28.1/60.1=0.468; that of O=32/60.1=0.532. ( / ) SiO2 = 0.468x65.32+0.532x11.03 =36.438. I x = I exp [-36.438x2.3x0.01] = I exp[-0.838] = 0.433I o 4. What is the shortest wavelength of x-ray generated when 30 kV is applied to a x-ray tube? SWL = 12400/V = 12400/30,000= 0.413 ....
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This note was uploaded on 04/29/2008 for the course MTLE 2100 taught by Professor Tomozawa during the Spring '08 term at Rensselaer Polytechnic Institute.

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Structure.homework__4-answer - radiation, ( / ) Si =65.32,...

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